/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package Servlet;

import clases.Conexion;
import clases.Error_Data;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author GOPEZ
 */
public class EliminarVisa extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
         //por si entra sin loguearse al serlet
        HttpSession sesionOk = request.getSession();
            if (sesionOk.getAttribute("Usuario") == null) {
            response.setContentType("text/html;charset=UTF-8");
            response.sendRedirect("/ProyectoBases2/index.jsp");
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        /**
         * Procesando la pagina Departamento edicion
         * y verificamos si es la sesion es correcta
         */
        PrintWriter out = response.getWriter();
        HttpSession session = ((HttpServletRequest) request).getSession(false);
        try {
            if (session != null) {
                eliminarVisa(request.getParameter("id_visa"), response);
            } else {
                /*
                 * La sesion no esta disponible
                 */
                response.sendRedirect("/ProyectoBases2/index.jsp");
            }

        } finally {
            out.close();
        }
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

    private void eliminarVisa(String id_visa, HttpServletResponse response) throws IOException {

        Conexion nueva = new Conexion();
        Error_Data misErrores = new Error_Data();
        boolean realizado = nueva.EliminarVisa_H(id_visa);
        Error_Data nuevo = new Error_Data();
        if (realizado) {
            nuevo.EscribirMensajes("Visa Eliminada con Exito", response, "Continuar", "Eliminar_Visa.jsp");
        } else {

            nuevo.EscribirMensajes("Error no se pudo eliminar", response, "Regresar", "Eliminar_Visa.jsp");

        }
    }
}
